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Finding the Fourth Proportional to 6,788.92, 10,172.08 and 6,532.96

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Solution

The fourth proportional to 6,788.92, 10,172.08 and 6,532.96 is: 9,788.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.92 : 10,172.08 = 6,532.96 : x
  2. Step 2: Convert to fraction form
    6,788.92/10,172.08 = 6,532.96/x
  3. Step 3: Cross multiply
    6,788.92x = 10,172.08 × 6,532.96
  4. Step 4: Simplify right side
    6,788.92x = 66,453,791.76
  5. Step 5: Solve for x
    x = 66,453,791.76/6,788.92
  6. Step 6: Final answer
    x = 9,788.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.